In the US, the problem is less the sea of mainstream media noise than it is the carefully crafted puddle of right-wing misinformation, anchored by Fox News and bolstered by a variety of foreign and domestic special interests operating in social media.

I really hope you don't believe the left is free of misinformation, biased reporting, and algorithm-optimized bubble think. It's happening on both sides.

No, of course not. But the effort on the right is much more focused and concerted, with a lot more money behind it both domestically (the arms and energy industries) and from foreign actors (notably Russia). And these agents, particularly Russia, are not only producing right-wing memes but also left-wing ones, in order to undermine trust generally. What's happening now is not the usual emergent misinformation that bubbles up from randomly distributed extremists on both sides, but a much more organized effort.